CN219831252U

CN219831252U - Electric brush connection resistance test board

Info

Publication number: CN219831252U
Application number: CN202320895720.3U
Authority: CN
Inventors: 杨帆; 杨相文; 沈少宝; 汪锁; 曾兵; 何柳妹
Original assignee: Hubei Dongnan Jiaxin Material Co ltd
Current assignee: Hubei Dongnan Jiaxin Material Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-10-13
Anticipated expiration: 2033-04-20

Abstract

The utility model provides an electric brush connection resistance test board which comprises a bottom plate, an electric brush, a supporting plate assembly, a positioning plate, a sliding table cylinder and a compacting assembly, wherein the bottom plate is arranged on the bottom plate; the supporting plate component is positioned at the top of the bottom plate and is fixedly connected with the bottom plate; the positioning plate is positioned at the top of the bottom plate and is fixedly connected with the bottom plate, and the electric brush is positioned at the top of the bottom plate and is positioned on the bottom plate by means of the positioning plate; the slip table cylinder is located the top of backup pad subassembly and through bolt and its fixed connection, compresses tightly subassembly and slip table cylinder fixed connection. When the device is used for detecting, the buffer storage and the pressing force can be adjusted due to the spring, so that the pressing force is stable, the damage to the electric brush caused by poor control of the force like manual measurement is avoided, meanwhile, after the device is adjusted, even if a new employee tests, the device is clamped by a pure manual work, the device is easy to get to the hand, and the measuring position of the electric brush at each time can be ensured not to have great difference only by adjusting the position of the fixed plate during the test, so that the detection efficiency is improved, and the skill requirement on the tester is reduced.

Description

Electric brush connection resistance test board

Technical Field

The utility model belongs to the technical field of auxiliary detection devices for electric brush performance, and particularly relates to an electric brush connection resistance test board.

Background

The brush is commonly used on a commutator or a slip ring and is used as a sliding contact body for leading in and leading out current, the brush is generally composed of a brush body, a lead wire and other parts, the existing brush body is generally of an approximately cuboid structure, the lead wire is formed by braiding a plurality of strands of copper wires, and the root of the lead wire and the brush body can be fixedly connected in one mode of a packing method, a rivet expanding method and a welding method according to the use condition.

After the brush is integrally formed, whether the performance of the brush meets the requirement is judged by measuring the resistance value of the brush. For the riveting formed electric brush, a certain requirement is arranged on the measuring position of the electric brush body when the electric brush is manually clamped for measurement and measurement in the prior art, but the electric brush body is fragile, the electric brush body is easy to damage when the electric brush is manually clamped, meanwhile, the electric brush resistance cannot be measured at each time without great difference, and the electric brush resistance is measured by adopting the manual clamp and has a certain skill requirement on a tester, namely the following defects exist in the prior art that the electric resistance is measured by adopting the manual clamping of the electric brush body: the damage rate of the brush body of the electric brush is high and has a certain skill requirement for a tester.

Disclosure of Invention

The utility model aims to provide a test board for connecting a brush with a resistor, which utilizes the device to detect the resistor of the brush to be tested to judge whether the performance of the brush meets the requirement, and solves the problems that the damage rate of the brush is higher and a certain skill is required for a tester in the prior art by manually clamping the brush to measure the resistor.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a test board for connecting electric brushes with resistors comprises a bottom plate, electric brushes to be tested, a supporting plate assembly, a positioning plate, a sliding table cylinder and a compacting assembly; the supporting plate component is positioned at the top of the bottom plate and is fixedly connected with the bottom plate; the positioning plate is positioned at the top of the bottom plate and is fixedly connected with the bottom plate, and the electric brush is positioned at the top of the bottom plate and is positioned on the bottom plate by means of the positioning plate; the sliding table cylinder is located at the top of the supporting plate assembly and fixedly connected with the supporting plate assembly through bolts, and the pressing assembly is fixedly connected with the sliding table cylinder.

Preferably, the first through holes are formed in the periphery of the bottom plate, the first threaded holes for installing the supporting plate assembly are formed in the bottom plate, and the second threaded holes for installing the positioning plate are formed in the bottom plate.

Preferably, the supporting plate assembly comprises a supporting vertical plate and a supporting transverse plate, the supporting vertical plate and the supporting transverse plate are of an L-shaped structure, a second through hole and a third threaded hole are formed in the supporting vertical plate, a third through hole and a fourth through hole are formed in the supporting transverse plate, a bolt penetrates through the fourth through hole and the third threaded hole from left to right to form fixed connection between the supporting vertical plate and the supporting transverse plate, the bolt penetrates through the second through hole and the first threaded hole from top to bottom to form fixed connection between the supporting plate assembly and the bottom plate, and the bolt penetrates through the third through hole and the threaded hole in the end plate of the sliding table cylinder from bottom to top to form fixed connection between the supporting plate assembly and the sliding table cylinder.

Preferably, the locating plate is of an L-shaped structure, a first waist-shaped round hole is formed in the locating plate, and bolts penetrate through the first waist-shaped round hole and the second threaded holes from top to bottom to form fixed connection between the locating plate and the bottom plate.

Preferably, the compression assembly comprises a cylinder connecting plate, an electrode positioning block, an electrode rod, a nut, a spring and a flat washer, wherein the cylinder connecting plate can be fixedly connected with the sliding table cylinder, the electrode positioning block is fixedly connected with the cylinder connecting plate, the nut is positioned at the top of the electrode positioning block, the spring and the flat washer are positioned at the bottom of the electrode positioning block, and the electrode rod penetrates through the electrode positioning block, the nut, the spring and the flat washer.

Preferably, the cylinder connecting plate is provided with a second waist-shaped round hole, a fourth threaded hole and a limiting groove, the electrode positioning block is provided with a limiting boss, a fifth through hole and a countersink which are clamped with the limiting groove, and an inner hexagon screw penetrates through the countersink and the fourth threaded hole to form fixed connection between the cylinder connecting plate and the electrode positioning block.

Preferably, an external thread is arranged at one end of the electrode rod, a through sixth through hole is formed in the middle of the electrode rod, a straight rod is arranged at the middle of the electrode rod, a limiting round table is arranged at the bottom of the straight rod, and the outer diameter of the straight rod is smaller than the aperture of the fifth through hole.

Compared with the prior art, the utility model has the beneficial effects that:

according to the electric brush connection resistance test board provided by the utility model, through the arrangement of the bottom plate, the supporting plate component, the positioning plate, the sliding table cylinder and the pressing component, the pressing force can be adjusted due to the buffer storage of the spring during detection, so that the pressing force is stable, the damage of the electric brush caused by poor control of the force like manual measurement is avoided, meanwhile, after the adjustment of the electric brush connection resistance test board, even a new employee tests, the electric brush connection resistance test board is easier to get on hand than pure manual clamping, the position of the positioning plate is adjusted during test, the measurement position of the electric brush can be ensured not to have great difference each time, the detection efficiency is improved, and the skill requirement on a tester is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the floor construction of the present utility model;

FIG. 3 is a schematic view of the support plate assembly of the present utility model;

FIG. 4 is a schematic view of the compression assembly of the present utility model;

FIG. 5 is a schematic view of the connection of the cylinder connection plate and the electrode positioning block of the present utility model;

fig. 6 is a schematic view of the structure of the electrode rod of the present utility model.

In the figure: 100. a bottom plate; 101. a first through hole; 102. a first threaded hole; 103. a second threaded hole; 200. a brush; 300. a support plate assembly; 310. supporting a vertical plate; 311. a second through hole; 312. a third threaded hole; 320. a supporting cross plate; 321. a third through hole; 322. a fourth through hole; 400. a positioning plate; 401. a first waist hole; 500. a slipway cylinder; 600. a compression assembly, 610, a cylinder connecting plate; 611. a second waist hole; 612. a fourth threaded hole; 613. a limit groove; 620. an electrode positioning block; 621. a fifth through hole; 622. a countersunk hole; 623. a limit boss; 630. an electrode rod; 631. an external thread; 632. a sixth through hole; 633. a straight rod; 634. limiting round table; 640. a nut; 650. a spring; 660. and (3) a flat gasket.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

It is noted that the terms "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are merely used for convenience in describing the present utility model and to simplify the description, and do not denote or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

It should be understood that the terms first, second, etc. are used herein to describe various elements, but these elements should not be limited by these terms, these terms should be interpreted mainly to distinguish one element from another. In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited.

Referring to fig. 1 to 6, the electric brush coupling resistance test stand of the present embodiment includes a base plate 100, an electric brush 200 to be tested, a support plate assembly 300, a positioning plate 400, a sliding table cylinder 500, and a pressing assembly 600.

First through holes 101 are formed in the periphery of the bottom plate 100, first threaded holes 102 for installing the supporting plate assembly 300 are formed in the bottom plate 100, second threaded holes 103 for installing the positioning plate 400 are formed in the bottom plate 100, and the device can be fixed on a workbench through the four first through holes 101.

The locating plate 400 is located at the top of the bottom plate 100 and is fixedly connected with the bottom plate 100, the locating plate 400 is of an L-shaped structure, a first waist-shaped round hole 401 is formed in the locating plate 400, and bolts penetrate through the first waist-shaped round hole 401 and the second threaded holes 103 from top to bottom to form fixed connection between the locating plate 400 and the bottom plate 100. The brush 200 is positioned on top of the base plate 100, and since the brush body is generally of approximately rectangular parallelepiped structure, the brush 200 can be positioned on the base plate 100 by means of the positioning plate 400.

The supporting plate assembly 300 is located at the top of the bottom plate 100 and is fixedly connected with the bottom plate 100, the supporting plate assembly 300 comprises a supporting vertical plate 310 and a supporting horizontal plate 320, the supporting vertical plate 310 and the supporting horizontal plate 320 are of L-shaped structures, a second through hole 311 and a third threaded hole 312 are formed in the supporting vertical plate 310, a third through hole 321 and a fourth through hole 322 are formed in the supporting horizontal plate 320, a bolt penetrates through the fourth through hole 322 and the third threaded hole 312 from left to right to form the fixed connection between the supporting vertical plate 310 and the supporting horizontal plate 320, the bolt penetrates through the second through hole 311 and the first threaded hole 102 from top to bottom to form the fixed connection between the supporting plate assembly 300 and the bottom plate 100, and the bolt penetrates through the third through hole 321 and the threaded hole in the end plate of the sliding table cylinder 500 from bottom to top to form the fixed connection between the supporting plate assembly 300 and the sliding table cylinder 500.

The sliding table cylinder 500 is positioned at the top of the supporting plate assembly 300 and fixedly connected thereto by bolts, the compressing assembly 600 is fixedly connected with the sliding table cylinder 500, and the sliding table cylinder 500 is a pneumatic element for controlling the movement of the mechanical component, and converts the gas pressure into the mechanical force to push the mechanical component to complete various actions such as pushing, pulling, lifting, and the like.

The pressing assembly 600 includes a cylinder connection plate 610 capable of being fixedly connected with the sliding table cylinder 500, an electrode positioning block 620, an electrode rod 630, a nut 640, a spring 650 and a flat washer 660, the electrode positioning block 620 is fixedly connected with the cylinder connection plate 610, the nut 640 is located at the top of the electrode positioning block 620, and the spring 650 and the flat washer 660 are located at the bottom of the electrode positioning block 620.

The cylinder connecting plate 610 is provided with a second waist round hole 611, a fourth threaded hole 612 and a limiting groove 613, the electrode positioning block 620 is provided with a limiting boss 623, a fifth through hole 621 and a countersunk hole 622 which are clamped with the limiting groove 613, an inner hexagon screw penetrates through the countersunk hole 622 and the fourth threaded hole 612 to form fixed connection between the cylinder connecting plate 610 and the electrode positioning block 620, and a bolt penetrates through the second waist round hole 611 and the corresponding threaded hole on the sliding table cylinder 500 to form fixed connection between the pressing assembly 600 and the sliding table cylinder 500.

One end of the electrode rod 630 is provided with an external thread 631, the external thread 631 is provided with a sixth through hole 632 which is communicated, the middle part of the electrode rod 630 is a straight rod 633, the bottom of the straight rod 633 is a limiting round platform 634, the outer diameter of the straight rod 633 is smaller than the aperture of the fifth through hole 621, and the flat gasket 660 is of an annular structure.

During installation, the electrode rods 630 sequentially pass through one flat washer 660, the spring 650 and the other flat washer 660 from bottom to top, then pass through the fifth through hole 621 as a whole, then are screwed together by the nuts 640 and the external threads 631 of the electrode rods 630 to realize positioning, after the two electrode rods 630 are installed, a copper wire coil (not shown in the figure) respectively passes through the two sixth through holes 632 and is fixed, and the distance between the bottom end of the electrode rod 630 and the bottom plate 100 can be adjusted by adjusting the relative positions of the nuts 640 and the external threads 631.

The specific use process of the electric brush connection resistance test board in the embodiment is as follows: firstly, the connection condition of each threaded fastener needs to be checked, the firmness and reliability of each part are ensured, the sliding table cylinder 500 is in a contracted state initially, the distance between the bottom end of the electrode rod 630 and the bottom plate 100 is adjusted to a proper position according to the thickness of the brush body of the electric brush 200 through the relative position of the adjusting nut 640 and the external thread 631, at this time, the sliding table cylinder 500 drives the pressing component 600 to move upwards, the electric brush body of the electric brush 200 is positioned by utilizing the L-shaped structure of the positioning plate 400, then the reversing valve is used for realizing the reversing of the sliding table cylinder 500, the sliding table cylinder 500 drives the pressing component 600 to move downwards, the electrode rod 630 does not impact on the brush body of the electric brush 200 due to the buffer of the spring, after the sliding table cylinder 500 is contracted, the two electrode rods 630 are contacted with the upper surface of the brush body of the electric brush 200 and do not damage the upper surface of the brush body of the electric brush 200, then one end of the measuring instrument clamps copper wires (not drawn in the figure) passing through two sixth through holes 632, the first copper wires of the electric brush 200 are clamped at the other end of the measuring instrument, the copper wire end of the measuring instrument is clamped to obtain a connection resistance value, the position of the copper wire of the other end of the measuring instrument is fixed, the second copper wire of the measuring instrument clamps the copper wire of the measuring instrument is clamped at the end of the measuring instrument, and the second copper wire is clamped on the upper copper wire 200, and the upper surface of the measuring instrument is clamped to be tested, and the measuring cylinder is matched with the measuring valve, after the reversing valve is used for detecting the reversing valve, and the reversing valve is used for detecting the reversing valve is used to realize, after detecting the reversing valve is finished.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The electric brush connection resistance test board comprises a bottom plate (100) and an electric brush (200) to be tested, and is characterized by further comprising a support plate assembly (300), a positioning plate (400), a sliding table cylinder (500) and a pressing assembly (600);

the supporting plate assembly (300) is positioned at the top of the bottom plate (100) and is fixedly connected with the bottom plate;

the positioning plate (400) is positioned at the top of the bottom plate (100) and is fixedly connected with the bottom plate, and the electric brush (200) is positioned at the top of the bottom plate (100) and is positioned on the bottom plate (100) by means of the positioning plate (400);

the sliding table cylinder (500) is located at the top of the supporting plate assembly (300) and is fixedly connected with the supporting plate assembly through bolts, and the pressing assembly (600) is fixedly connected with the sliding table cylinder (500).

2. The electric brush connection resistance test board according to claim 1, wherein a first through hole (101) is formed around the bottom plate (100), the bottom plate (100) is provided with a first threaded hole (102) for installing the support plate assembly (300), and the bottom plate (100) is further provided with a second threaded hole (103) for installing the positioning plate (400).

3. The electric brush connection resistance test stand according to claim 2, wherein the support plate assembly (300) comprises a support vertical plate (310) and a support horizontal plate (320), the support vertical plate (310) and the support horizontal plate (320) are of an L-shaped structure, the support vertical plate (310) is provided with a second through hole (311) and a third threaded hole (312), the support horizontal plate (320) is provided with a third through hole (321) and a fourth through hole (322), a bolt penetrates through the fourth through hole (322) and the third threaded hole (312) from left to right to form a fixed connection between the support vertical plate (310) and the support horizontal plate (320), the bolt penetrates through the second through hole (311) and the first threaded hole (102) from top to bottom to form a fixed connection between the support plate assembly (300) and the bottom plate (100), and the bolt penetrates through the third through hole (321) and the threaded hole on the end plate of the sliding table cylinder (500) to form a fixed connection between the support plate assembly (300) and the sliding table (500).

4. The electric brush connection resistance test board according to claim 2, wherein the positioning plate (400) is of an L-shaped structure, a first waist-round hole (401) is formed in the positioning plate (400), and bolts penetrate through the first waist-round hole (401) and the second threaded holes (103) from top to bottom to form fixed connection between the positioning plate (400) and the bottom plate (100).

5. The brush coupling resistance test stand of claim 1, wherein the compression assembly (600) comprises a cylinder connecting plate (610), an electrode positioning block (620), an electrode rod (630), a nut (640), a spring (650) and a flat washer (660) which can be fixedly connected with the sliding table cylinder (500), the electrode positioning block (620) is fixedly connected with the cylinder connecting plate (610), the nut (640) is positioned at the top of the electrode positioning block (620), the spring (650) and the flat washer (660) are positioned at the bottom of the electrode positioning block (620), and the electrode rod (630) penetrates through the electrode positioning block (620), the nut (640), the spring (650) and the flat washer (660).

6. The electric brush connection resistance test board according to claim 5, wherein the cylinder connecting plate (610) is provided with a second waist-round hole (611), a fourth threaded hole (612) and a limiting groove (613), the electrode positioning block (620) is provided with a limiting boss (623), a fifth through hole (621) and a countersink (622) which are clamped with the limiting groove (613), and an inner hexagon screw passes through the countersink (622) and the fourth threaded hole (612) to form a fixed connection between the cylinder connecting plate (610) and the electrode positioning block (620).

7. The electric brush connection resistance test board according to claim 6, wherein an external thread (631) is provided at one end of the electrode rod (630), a through sixth through hole (632) is provided in the external thread (631), a straight rod (633) is provided in the middle of the electrode rod (630), a limiting round table (634) is provided at the bottom of the straight rod (633), and the outer diameter of the straight rod (633) is smaller than the aperture of the fifth through hole (621).